Algebrahard · Past Paper

Factorize x^2 - 2xy + y^2 - 1.

A(x-y-1)(x-y+1)
B(x+y-1)(x+y+1)
C(x-y-1)^2
D(x-y+1)^2

✓ Correct Answer: A(x-y-1)(x-y+1)

(x-y)^2 - 1^2 = (x-y-1)(x-y+1).

Share this question

More from Algebra